PACTF_2018: Third Eye

Category: Lovelace Points: 40 Description:

Sometimes​‌‌‌​‌‌‌​‌‌​ there‌​​​​‌‌​​​​‌ is ​‌‌‌​‌​​​‌​‌‌‌more ‌‌​‌‌​​‌​‌​‌‌​‌‌​​​‌‌‌​​‌‌​‌‌​​‌​‌​‌​‌‌‌‌‌​‌‌​‌‌​​​‌‌‌​‌​‌​‌‌‌​​‌​​‌‌​‌​‌‌​‌‌‌​​‌‌​‌​‌‌‌‌‌​‌‌​​​‌than ​​‌‌​​‌​‌​‌‌​‌‌meets ‌​​‌‌​​‌​‌​‌‌​​​the ​‌​‌‌‌​‌​​​‌‌​‌​​​​‌​‌‌‌‌‌​‌‌‌eye​‌​​​‌‌​‌​​​​‌‌​​‌​‌​‌​‌‌‌‌‌​‌‌​​‌​‌​‌‌‌‌​​‌​‌‌​​‌​‌.

Write-up

In the HTML, we get some interesting HTML entities.

Sometimes​‌‌‌​‌‌‌​‌‌​ there‌​​​​‌‌​​​​‌ is ​‌‌‌​‌​​​‌​‌‌‌more ‌‌​‌‌​​‌​‌​‌‌​‌‌​​​‌‌‌​​‌‌​‌‌​​‌​‌​‌​‌‌‌‌‌​‌‌​‌‌​​​‌‌‌​‌​‌​‌‌‌​​‌​​‌‌​‌​‌‌​‌‌‌​​‌‌​‌​‌‌‌‌‌​‌‌​​​‌than ​​‌‌​​‌​‌​‌‌​‌‌meets ‌​​‌‌​​‌​‌​‌‌​​​the ​‌​‌‌‌​‌​​​‌‌​‌​​​​‌​‌‌‌‌‌​‌‌‌eye​‌​​​‌‌​‌​​​​‌‌​​‌​‌​‌​‌‌‌‌‌​‌‌​​‌​‌​‌‌‌‌​​‌​‌‌​​‌​‌.

To solve, convert both entities to either 1 or 0 and remove all extra words to get pure binary

01110111011010000110000101110100010111110110010101101100011100110110010101011111011011000111010101110010011010110111001101011111011000100110010101101110011001010110000101110100011010000101111101110100011010000110010101011111011001010111100101100101

Converting to ASCII, gives us what_else_lurks_beneath_the_eye.

Therefore, the flag is `what_else_lurks_beneath_the_eye.

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